She says she is able to take Zumba exercise classes three times a week and work out on the treadmill twice a week.
她说她每周能上三次尊巴健身课，并每周在跑步机上锻炼两次。
Researchers found animal lovers exercise their pet twice a day for 24 minutes each time - a total of five hours and 38 minutes a week.
研究者发现宠物爱好者每两天带它们锻炼一次，每次24分钟——相当于每周总共1小时38分钟。
Considering their time, people can do exercise after work or after school even one or twice a week.
考虑到时间问题，他们可以在下班后或放学后去锻炼甚至一周锻炼两次。
First of all, I am going to get more exercise, working out at least twice a week.
首先，我要多运动，一个礼拜至少去健身两次。
The first 3 months of exercise were performed 3 times per week on land, while the remaining 8 months combined land-based (twice a week) with aquatic exercise (once a week).
前三个月的练习是在陆地上每周三次，后八个月的练习是在陆地上（每周两次）和水上运动（每周一次）。
The first 3 months of exercise were performed 3 times per week on land, while the remaining 8 months combined land-based (twice a week) with aquatic exercise (once a week).
前三个月的练习是在陆地上每周三次，后八个月的练习是在陆地上（每周两次）和水上运动（每周一次）。
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